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man: do not mangle $MANPATH in memory

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2014-11-30 19:39:58 +01:00
parent 8d75d794ea
commit 476654cdbe
1 changed files with 5 additions and 3 deletions
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8
miscutils/man.c
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@ -155,9 +155,9 @@ static char **add_MANPATH(char **man_path_list, int *count_mp, char *path)
next_path = strchr(path, ':');
if (next_path) {
*next_path = '\0';
if (next_path++ == path) /* "::"? */
if (next_path == path) /* "::"? */
goto next;
*next_path = '\0';
}
/* Do we already have path? */
path_element = man_path_list;
@ -174,8 +174,10 @@ static char **add_MANPATH(char **man_path_list, int *count_mp, char *path)
skip:
if (!next_path)
break;
/* "path" may be a result of getenv(), be nice and don't mangle it */
*next_path = ':';
next:
path = next_path;
path = next_path + 1;
}
return man_path_list;
}